Seiko Cal. 4583 - 340

The Seiko 4583-340 represents an important milestone in Seiko's 1985 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-ca4529661678]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1985

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